# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    <a href="https://refractiveindex.info/download/data/2022/CDGM-ZEMAX202206new.AGF">CDGM Zemax catalog 2022-06</a> (obtained from <a href="http://www.cdgmgd.com/go.htm?k=Download&url=downList">http://www.cdgmgd.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2022/CDGM202206.pdf">CDGM optical glass data sheets</a>
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 0.265135611 0.0342928637 1.46645391 0.00799326644 1.68212208 179.124162
  - type: tabulated k
    data: |
        0.340 7.6121E-06
        0.350 3.0047E-06
        0.360 1.3236E-06
        0.370 6.5702E-07
        0.380 3.6601E-07
        0.390 2.2522E-07
        0.400 1.5324E-07
        0.420 9.8359E-08
        0.440 8.5059E-08
        0.460 7.3953E-08
        0.480 6.5494E-08
        0.500 6.0135E-08
        0.550 4.8411E-08
        0.600 5.2812E-08
        0.650 5.1986E-08
        0.700 5.5985E-08
        0.800 5.7555E-08
        0.850 2.7111E-08
        0.900 2.1518E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 2.2304E-08
        1.600 3.8255E-08
        1.800 2.3104E-07
        2.000 4.5199E-07
        2.200 1.0460E-06
        2.400 2.2471E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.26e-06 1.49e-08 -2.95e-11 6.99e-07 6.95e-10 0.209
    nd: 1.671030
    Vd: 47.288963
    glass_code: 671473
    density:
      - value: 3580
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.5e-06
    dPgF: -0.002
    resistance:
        climatic: 1.0